Shinohawa Product:
  Surge Protective Device BY1 Series  
  BY1 series products have a good discharge capacity. This series is suitable for protection level - C (Class 2) and level-D (Class 3) of low voltage power system. You can select different combination wiring methods according to different power supply system.  
  Energy - rich voltage dependent resistor, nanosecond level speed of response; Capacity of overheated and surge protection; Visual display instruction1) and remote signal terminal2); 1) A visual display on the protector about its operation; 2) A terminal effecting the long-distance monitor
the operation of the protector, outside connecting lines needed; Convenient to be pulled or inserted, possible to remove failed module; DIN rail 35mm installation
Type BY1-C BY1-D BY1-B
Limiting type Limiting type Switching type
Max. Continuous operating voltage1) Uc (V) 385 300 255
20 10 40
40 20 60
Voltage protection level Up (kV) 1.8 1.5 1.0
Fuse 32 20 -
Functional indication Green window: functional; red window: failed
Remote signal contacts A couple of NO, NC contacts
Audio alarm Optional
Wiring capacity 1.5~35mm 2
Dimension See drawing
House material Complied with UL94V-0
House protection level IP20
Installation method 35mm DIN rail
Note1): Max. Continuous operating voltage optional: 275V, 320V, 385V, 420V, 485V and 550V .










Copyright © 2005
Shinohawa Electric Co., Ltd